how to select a circuit breaker?

Answer Posted / reza

it deponds on rated current plus 25% ,breaker
effeciency ,kind of loads ,weather condition and inrush
current .

Is This Answer Correct ?    3 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the name of transformers oil filteration equipment?

1598


What is time invariant system?

695


nwhat are the main Components of servo motor?

1627


how point on wave controller works.

2081


What is the difference between electronic regulator and ordinary rheostat regulator for fans?

576






give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2244


Differenciate between circuit wiring and sub main wiring with illustrations

1767


sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

1790


how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

1626


can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

1574


What is Traction? 1KVA Alternator, How much urrent taken?

1606


Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

724


During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

1448


What is float cum boost charging system?

1589


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1064